private: static void __cdecl std::_Mutex::_Mutex_Lock(class std::_Mutex * __ptr64)

Mangled name

?_Mutex_Lock@_Mutex@std@@CAXPEAV12@@Z

Exported by

size	filename	version
853312	msvcp90.dll	9.00.30729.4148
245760	msvcm90.dll	9.00.30729.4148